318400680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3851}}^1$

素因数の和:3931

約数の個数: 128

約数和(自身を含む): 1048360320

約数和(自身を除く): 729959640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 260, 265, 312, 318, 390, 424, 520, 530, 636, 689, 780, 795, 1060, 1272, 1378, 1560, 1590, 2067, 2120, 2756, 3180, 3445, 3851, 4134, 5512, 6360, 6890, 7702, 8268, 10335, 11553, 13780, 15404, 16536, 19255, 20670, 23106, 27560, 30808, 38510, 41340, 46212, 50063, 57765, 77020, 82680, 92424, 100126, 115530, 150189, 154040, 200252, 204103, 231060, 250315, 300378, 400504, 408206, 462120, 500630, 600756, 612309, 750945, 816412, 1001260, 1020515, 1201512, 1224618, 1501890, 1632824, 2002520, 2041030, 2449236, 2653339, 3003780, 3061545, 4082060, 4898472, 5306678, 6007560, 6123090, 7960017, 8164120, 10613356, 12246180, 13266695, 15920034, 21226712, 24492360, 26533390, 31840068, 39800085, 53066780, 63680136, 79600170, 106133560, 159200340, 318400680]

約数ペア:

[(1, 318400680), (2, 159200340), (3, 106133560), (4, 79600170), (5, 63680136), (6, 53066780), (8, 39800085), (10, 31840068), (12, 26533390), (13, 24492360), (15, 21226712), (20, 15920034), (24, 13266695), (26, 12246180), (30, 10613356), (39, 8164120), (40, 7960017), (52, 6123090), (53, 6007560), (60, 5306678), (65, 4898472), (78, 4082060), (104, 3061545), (106, 3003780), (120, 2653339), (130, 2449236), (156, 2041030), (159, 2002520), (195, 1632824), (212, 1501890), (260, 1224618), (265, 1201512), (312, 1020515), (318, 1001260), (390, 816412), (424, 750945), (520, 612309), (530, 600756), (636, 500630), (689, 462120), (780, 408206), (795, 400504), (1060, 300378), (1272, 250315), (1378, 231060), (1560, 204103), (1590, 200252), (2067, 154040), (2120, 150189), (2756, 115530), (3180, 100126), (3445, 92424), (3851, 82680), (4134, 77020), (5512, 57765), (6360, 50063), (6890, 46212), (7702, 41340), (8268, 38510), (10335, 30808), (11553, 27560), (13780, 23106), (15404, 20670), (16536, 19255)]